B1640 Code: Meaning, Causes, and Symptoms | OBD2 Codes
B1640 – Mirror Passenger Left Circuit Open
B1640 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
B1640 Possible Causes
Faulty Mirror Passenger Motor,Mirror Passenger Motor harness is open or shorted,Mirror Passenger Motor circuit poor electrical connection,Faulty Body Control Module (BCM)
B1640 Description
The Body Control Module (BCM) monitors the Mirror Passenger Motor. The BCM sets the OBDII code when the Mirror Passenger Motor is not to factory specifications.